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Upgrade version of Bluedio R+ HD stereo Bluetooth headset, adopting CSR, an UK famous brand, and Bluetooth 4.0 Ultra low Energy technology, combines with Bluedio 8-channel drive units, creating a HD Audio and low energy music world for you. Support aptX®audio suppression solution, let you immerse yourself in your own music world. The perfect display of Bluetooth 4.0 Ultra low energy technology Bluedio R+ Bluetooth headset has up to 1300hrs ultra-long standby time and up to 28hrs Bluetooth music playtime. You can enjoy every second of the wonderful music by the unique and comfortable headset wearing design. Support NFC (Near Field Communication) Bluedio R&D team combines with the latest NFC technology, and successfully applies in Bluedio newly products such as R+. NFC offering a simply touch solutions, can be used in mobile devices, Bluetooth headset.Bluedio synchronizes technology with you all the time. Built in Micro-SD card music playing Function. Bluedio R+ can play music of MP3/FLAC/WAV/ AAC /SBC或APE music format through Micro-SD card(up to 32GB). PPS8 (Physical position surround sound) With the guide of Psychoacoustic Principles, Bluedio R&D Team spends one and a half years to create revolutionary ";PPS"; sound system and forge perfect acoustic structure in the series of R. Bluedio stereo headset. Support LINE-IN Mode With 3.5mm Audio cable, Bluedio R+ can be connected with mobiles or computers, answering a call, listening to music or chatting with friend on the Internet. Bluetooth Version: V4.0 Support aptX® A2DP AVRCP HSP v HFP RF Frequency Range: 2402 ~ 2480MHz(ISM BAND) Transmitting Power: Class2 RF Sensitivity: < -85dBm (PER 1 %) Operating Distance: Up To 20m (free space) Frequency Response: 10-22kHz 线长 : 2.2 ; 产地 : 深圳 ; 加工定制 : 是 ; 颜色 : 红色,黑色,银色 ; 包装清单 : 耳机、音频线、充电线 ; 发票 : 提供发票 ; 售后服务 : 全国联保 ; 是否支持代理加盟 : 支持 ; 是否支持一件代发 : 支持 ; 加印LOGO : 可以 ; 加工方式 : 贴牌加工 ; 重量 : 700(g) ; 用途 : 蓝牙耳机,HIFI耳机,手机耳机,运动耳机,音乐耳机,无线耳机,语音耳机,监听耳机 ; 耳机线材质 : 塑胶 ; 耳塞/耳罩材质 : 金属、塑胶 ; 喇叭直径 : 57(Φmm) ; 导线长度 : 0(m) ; 失真率 : 0.05(%) ; 灵敏度 : 93(dB) ; 阻抗 : 32(Ω) ; 频响范围 : 20-20KHz(Hz) ; 发声原理 : 动铁 ; 有无麦克风 : 有 ; 是否无线耳机 : 无线耳机 ; 插头类型 : 蓝牙 ; 插头直径 : 无线 ; 耳机输出音源 : 通讯设备,随身视听,HiFi ; 佩戴方式 : 头戴式 ; 耳机类型 : 头戴式耳机 ; 类型 : 耳机 ; 货源类别 : 现货 ; 上市时间 : 2014.3.3 ; 型号 : R+ ; 品牌 : 蓝弦 ; 建议零售价 : ¥699.00 ;